Dragon Stone
Argillaceous Sedimentary Rock (Ohko Stone)
sedimentary
Category
Amorphous Solid
Browse amorphous solid specimens identified by the Rock Identifier community.
Learn about Amorphous Solid in the encyclopedia
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Amber
Succinates
mineraloid
Snowflake Obsidian
Volcanic Glass (spherulitic obsidian)
igneous
Amber
Succinite
Organic Mineraloid
Limonite (Ironstone)
Hydrous ferric oxides (FeO(OH)·nH2O)
mineral
Limonite (Iron Ore)
Hydrous ferric oxides (FeO(OH)·nH2O)
mineral
Common Opal with Host Rock
Opal (Hydrated silica, SiO2·nH2O)
mineral
Shungite
Non-crystalline carbon (Fullerene-bearing)
mineral
Obsidian
Volcanic Glass (SiO2)
igneous
Shungite
Non-crystalline carbon (Fullerenes)
metamorphic
Anthracite Coal
Anthracite (Carbon-rich Sedimentary Rock)
sedimentary
Limonite (Iron Ore)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
mineral
Limonite (Iron Ore Congcretion)
Limonite (a mixture of hydrated iron(III) oxide-hydroxides, FeO(OH)·nH2O)
mineral
Blue Slag Glass
Man-made Silicon Dioxide (Amorphous)
Anthropogenic (Man-made)
Obsidian
Amorphous Volcanic Glass (primarily SiO2)
igneous
Generic Pebble / Rock Fragment
Lithic fragment / Weathered rock pebble
sedimentary
Fossilized Coral
Cnidaria (Hexacorallia)
fossil
Limonite / Brown Iron Ore
Hydrous Iron Oxide (FeO(OH)·nH2O)
mineral
Botryoidal Chalcedony / Opal
Silicon Dioxide (SiO2 · nH2O)
mineral
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Green Sea Glass
Man-made silicate glass (weathered)
sedimentary
Limonite Bog Iron
Hydrated iron oxide-hydroxide, FeO(OH)·nH2O
sedimentary
Sea Glass
Man-made vitreous material (silica-based glass)
mineral
Libyan Desert Glass
Libyan Desert Glass (Tektite / Impact Glass)
meteorite
Opalite
Man-made Opalized Glass (Synthetic Glass)
gemstone
Obsidian (Blue)
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Ironstone Concretion
Ironstone (Limonite/Goethite/Hematite mixture)
sedimentary
Tektite (Indochinite)
Tektite (Terrestrial Impact Glass)
meteorite
Anthracite Coal
Anthracite coal (High-rank coal)
sedimentary
Limonite
FeO(OH)·nH2O
mineral
Amber Dragonfly Brooch
Succinited (Baltic Amber)
fossil
Slag Glass (Leland Blue variant)
Anthropogenic Vitreous Silicate
mineral
Mahogany Obsidian
Volcanic Glass with Hematite/Magnetite inclusions
igneous
Apache Tear (Obsidian)
Volcanic Glass (SiO2 + impurities)
igneous
Amber
Succinited (fossilized tree resin)
fossil
Asphalt (Bituminous Rock)
Natural bitumen or Bituminous limestone/sandstone
sedimentary
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Mahogany Obsidian
Volcanic glass (Silicon Dioxide with Hematite/Magnetite inclusions)
igneous
Amber (Green variation)
Succinite
fossil
Amber
Succinite (fossilized tree resin)
fossil
Limonite (Iron Ore)
Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)
sedimentary